| Acronym | Meaning |
| OME | Osaka Mercantile Exchange |
| FMS | Federal Magistrates Service (an Australian Federal Court |
| OMR | Omani Rial (ISO 4217 Currency Code) |
| JDAM | Joint Direct Attack Munition (djay-dam) |
| EMO | Emergency Measures Organisation-Emotional |
| H.C. | Honoris Causa (Latin |
| POW | Prisoner Of War |
| DQ | Dairy Queen -Jarvis Island (FIPS 10-4 Country Code) |
| LWS | Land Warrior System |
| MEDEVAC | Medical Evacuation |